Add toppings like cocoa powder, chocolate chips, or nuts to your taste.
Preheat the oven to 180°C (356°F).
In a bowl, mix whole wheat flour, baking powder, and salt well.
Add cold unsalted butter and cut it in with a scraper until crumbly.
Gradually add milk while kneading until the dough comes together into a ball.
Roll out the dough to a thickness of 2 cm and shape it into a round.
Line a baking pan with parchment paper and place the dough on top.
Bake in the oven at 180°C (356°F) for 20 minutes.
Place on a cooling rack to cool.